Lift Cylinder Service
8
6
7
9
5
4
3
2
1
Figure 44
1.
2.
3.
Retaining ring
Cylinder tube
Rod
4.
5.
6.
O–ring
7.
8.
9.
Seal
Head
Wiper
Backup ring
Retaining ring
Disassembly (Fig. 44)
Remove oil from the lift cylinder into a drain pan by
5. Mount rod securely in a vise by clamping vise on the
flats of the pivot. Remove retaining ring (item 1) and
carefully slide head from the shaft.
1.
slowly pumping the cylinder rod. Plug port and clean
the outside of the lift cylinder.
6. Remove and discard o–ring (item 4), backup ring
(item 5), seal (item 7) and wiper (item 9) from the head.
IMPORTANT: Prevent damage when clamping the
lift cylinder into a vise; clamp on the pivot only. Do
not close vise enough to distort tube.
Spanner
wrench
2.
Mount lift cylinder in a vise so that the shaft end tilts
up slightly.
3.
Rotate head (item 8) with a spanner wrench and re-
move retaining ring (item 6) as shown in Figure 45.
Retaining
ring
4.
Grasp end of rod; extract rod and head by carefully
twisting and pulling on the rod.
Figure 45
IMPORTANT: Do not clamp vise jaws against rod
surface. Protect rod surface before mounting in
vise.
Hydraulic System
Page 4 – 52
ProCore 648
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro 648 |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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